#include<iostream>
using namespace std;
int main()
{
    float r=0.005;
    float h;
    float t;
    int i;
    float total;
    cin>>h>>total;
    for(i=1;i>0;i++)
    {
        t=h;
        h=t*(1+r);
        if(h>total)
            break;
    }
    cout<<i;
    return 0;
}
